diff --git a/test/data/surface1-gas.inp b/test/data/surface1-gas.inp
index cbaa02eb2..4768664a6 100644
--- a/test/data/surface1-gas.inp
+++ b/test/data/surface1-gas.inp
@@ -55,7 +55,7 @@ HO2 + HO2 <=> O2 + H2O2                       1.320E+11  0.000      -6.820
     DUPLICATE
 OH + OH (+M) <=> H2O2 (+M)                    7.230E+19  -0.370     0.000 
   LOW /                                       5.530E+13  -0.760     0.000 / 
-  TROE / 0.5 0. 0. 0. /
+  TROE / 0.5 0. 0. /
   H2 / 1. / H2O / 6.5 / O2 / 0.4 /
 OH + H2O2 <=> HO2 + H2O                       5.400E+12  0.000      4.200 
 END